Cockroach is also called dictyoptera and belongs to blattaria of insecta.

又名蜚蠊，属虫纲蜚蠊目。

Some cockroach species can go for a month without food, survive for a month on a drop of water from a dishrag, and withstand massive doses of radiation.

有些种类的可以不吃一个月，而靠抹布上的水滴活命，也可以承受大量剂量的辐射。